A covered firing position, part of a defensive position NPRN 242097 on the Sennybridge Dry Training Area. It consisted of an underground linear chamber, 9m roughly north-south by 1m wide, lined with wood and a gravel floor. Access to the chamber was through three wooden rectangular hatches. The chamber lay within a very slight mound, 11m by 4m. J.J. Hall, Trysor, 19 April 2008